package com.xuenci.gulimall.product.exception;/*
 *@author:xec
 *@date:2022/4/22  11:46
 */

/**
 * 集中处理所有异常
 */

import com.xuenci.common.exception.BizCodeEnume;
import com.xuenci.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

//@ResponseBody
//@ControllerAdvice(basePackages = "com.xuenci.gulimall.product.controller")

@Slf4j
@RestControllerAdvice(basePackages = "com.xuenci.gulimall.product.controller")  // ResponseBody（以json格式返回数据）和ControllerAdvice（集中处理异常）的集合
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e){
//        log.error("数据校验出现问题{}，异常类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError)->{
            errorMap.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errorMap);

    }

    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable throwable){

        log.error("错误",throwable);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
